hello world

Why does every first program have to be something which prints “hello world” on the screen?
From where exactly did this “hello world” concept originate from?

A rookie or an expert use “hello world” even without thinking if this could have ever been a patented idea!!

OHH GOD!! SO ARE WE GOING BEHIND BARS NOW??

Chill buddy, not to worry, just go through this wikipedia link and you will come to know when the whole thing came into existence!
hello world

Now enought of reading this blog, go back to work. The Company pays you not to read blogs. After all this is just a “hello world” blog.